OCR Text |
Show METALS DEARER THAN GOLD Iridium, for Instance, Is Three Tlmsi as Expensive Osmium Is Dearer and Heavier, Gold Is generally looked on as tha last word in costliness, but, aa a matter mat-ter of feet, there are more metals dearer than gold than there are cheap , er. The number of known metals Is about seventy. Iridium, for instance, of which a big find was made the other day in Austria, Aus-tria, Is three times as expensive aa gold. Cold is worth nearly 120 ao ounce. Iridium Is worth some $62, though the price will probably coins down now. Osmium Is another metal much dearer than gold. It costs about 150 an ounce. It Is by far the heaviest of all known substances, being more thsn 22 times as heavy as water. If pennies were made of osmium it would tai one,'s strength to carry the change of half a dollar. This metal haa tbe peculiar pe-culiar property of being able to stand without melting tbe most Intense beat known. Palladium, about flO an ounce. Is Just the reverse. It is quite easy to make palladium vanish in steam. Ite-Ing Ite-Ing of a white, silvery color, and un-tarniahsble. un-tarniahsble. It Is used for tbe division marks on scales and delicate scientific Instruments. |